Farjon, A. & Page, C. (1999) Conifers: Status Survey and Conservation Action Plan. IUCN/SSC Conifer Specialist Group.
INFERNO (Violent Planet) (BBC tx. 1999).
Taylor, D. (1994) Reflections of the Audubon Society Giant Sequoias: their place in the ecosystem and society. In: Proceedings of the Symposium on Giant Sequoias.